1: (2 15 20)

(0 19 3)(1 14 13)(2 17 15 7 5)(4 16 12)(6 10 8)(9 18 11)(20)

2: (0 19 3)

(0)(1 14 13)(2 17 15 7 5)(3)(4 16 12)(6 10 8)(9 18 11)(19)(20)

3: (2 17 5)

(0)(1 14 13)(2)(3)(4 16 12)(5 15 7)(6 10 8)(9 18 11)(17)(19)(20)

4: (4 16 12)

(0)(1 14 13)(2)(3)(4)(5 15 7)(6 10 8)(9 18 11)(12)(16)(17)(19)(20)